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-
 # Pseudo-3D hyperbolic engine
+
 My school project
+
+## Loading games
+
+You can load a game by passing the name of the game as an argument:
+
+```sh
+python3 main.py triangle
+```
+
+Game can be loaded only if it is located in the games/ directory.
+If no game is specified then "squareroom" will be loaded.
+
+
+## Controls
+
+| Descripton                             | Key |
+|----------------------------------------|:---:|
+| Move forward                           |  W  |
+| Move backwards                         |  D  |
+| Strafe left                            |  Q  |
+| Strafe right                           |  E  |
+| Turn 180 degrees                       |  R  |
+| Toggle FPS cap                         | F1  |
+| Create a wall                          | F2  |
+| Toggle debug info                      | F3  |
+| Print current position to the terminal | F4  |
+| Save level to `./levels` folder        | F5  |